se a thin piece of wood or even a box, ascertained without having to open them. The ex- the latter will arrest but a small number of X rays, the Such an arrangement is within the reach of every- periments are not confined to baggage, for the travel- screen will remain illuminated, and the… … transformer, C ; and the third the tube that take a Crookes tube in which a vacuum up to produces the X rays, fixed upon a jointed support that a millionth of an atmosphere has been formed, and the part corresponding to the box will undergo scarcely permits of turning it in all directions and…
Patents · Munn · Bicycle · Apparatus · Caisson · Scientific American · Cents · Large number · Gas engine · American association · Crookes tube · Sewing machine · Presser foot · Working chamber · Perspective elevations · Custom house
Internet Archive · Public domain (published before 1931). Free to use for anything.
